Merge pull request #868 from angt/fix-def-enosys

Define ENOSYS where it is useful

src/libsodium/crypto_aead/aegis256/aesni/aead_aegis256_aesni.c

@@ -16,10 +16,6 @@
 #include "private/common.h"
 #include "private/sse2_64_32.h"
 
-#ifndef ENOSYS
-# define ENOSYS ENXIO
-#endif
-
 #if defined(HAVE_TMMINTRIN_H) && defined(HAVE_WMMINTRIN_H)
 
 # ifdef __GNUC__
@@ -315,6 +311,10 @@ crypto_aead_aegis256_is_available(void)
 
 #else
 
+#ifndef ENOSYS
+# define ENOSYS ENXIO
+#endif
+
 int
 crypto_aead_aegis256_encrypt_detached(unsigned char *c,
                                       unsigned char *mac,

src/libsodium/crypto_aead/aes256gcm/aesni/aead_aes256gcm_aesni.c

@@ -30,10 +30,6 @@
 #include <tmmintrin.h>
 #include <wmmintrin.h>
 
-#ifndef ENOSYS
-# define ENOSYS ENXIO
-#endif
-
 #if defined(__INTEL_COMPILER) || defined(_bswap64)
 #elif defined(_MSC_VER)
 # define _bswap64(a) _byteswap_uint64(a)
@@ -919,6 +915,10 @@ crypto_aead_aes256gcm_is_available(void)
 
 #else
 
+#ifndef ENOSYS
+# define ENOSYS ENXIO
+#endif
+
 int
 crypto_aead_aes256gcm_encrypt_detached(unsigned char *c,
                                        unsigned char *mac,